Hygienic napkin



FIG. 1 is a perspective view of a hygienic napkin, showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a front view thereof. 

The ornamental design for a hygienic napkin, as shown and described. 